Home / 186,295.48-257,089.35-101,412.34

Finding the Fourth Proportional to 186,295.48, 257,089.35 and 101,412.34

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Solution

The fourth proportional to 186,295.48, 257,089.35 and 101,412.34 is: 139,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,295.48 : 257,089.35 = 101,412.34 : x
  2. Step 2: Convert to fraction form
    186,295.48/257,089.35 = 101,412.34/x
  3. Step 3: Cross multiply
    186,295.48x = 257,089.35 × 101,412.34
  4. Step 4: Simplify right side
    186,295.48x = 26,072,032,572.58
  5. Step 5: Solve for x
    x = 26,072,032,572.58/186,295.48
  6. Step 6: Final answer
    x = 139,949.89

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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.