Home / 186,582.69-257,482.80-101,700.36

Finding the Fourth Proportional to 186,582.69, 257,482.80 and 101,700.36

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Solution

The fourth proportional to 186,582.69, 257,482.80 and 101,700.36 is: 140,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,582.69 : 257,482.80 = 101,700.36 : x
  2. Step 2: Convert to fraction form
    186,582.69/257,482.80 = 101,700.36/x
  3. Step 3: Cross multiply
    186,582.69x = 257,482.80 × 101,700.36
  4. Step 4: Simplify right side
    186,582.69x = 26,186,093,453.81
  5. Step 5: Solve for x
    x = 26,186,093,453.81/186,582.69
  6. Step 6: Final answer
    x = 140,345.78

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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.