Home / 186,776.07-257,779.85-110,303.43

Finding the Fourth Proportional to 186,776.07, 257,779.85 and 110,303.43

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Solution

The fourth proportional to 186,776.07, 257,779.85 and 110,303.43 is: 152,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,776.07 : 257,779.85 = 110,303.43 : x
  2. Step 2: Convert to fraction form
    186,776.07/257,779.85 = 110,303.43/x
  3. Step 3: Cross multiply
    186,776.07x = 257,779.85 × 110,303.43
  4. Step 4: Simplify right side
    186,776.07x = 28,434,001,088.37
  5. Step 5: Solve for x
    x = 28,434,001,088.37/186,776.07
  6. Step 6: Final answer
    x = 152,235.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.