Home / 186,780.67-257,756.79-101,897.13

Finding the Fourth Proportional to 186,780.67, 257,756.79 and 101,897.13

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Solution

The fourth proportional to 186,780.67, 257,756.79 and 101,897.13 is: 140,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,780.67 : 257,756.79 = 101,897.13 : x
  2. Step 2: Convert to fraction form
    186,780.67/257,756.79 = 101,897.13/x
  3. Step 3: Cross multiply
    186,780.67x = 257,756.79 × 101,897.13
  4. Step 4: Simplify right side
    186,780.67x = 26,264,677,139.01
  5. Step 5: Solve for x
    x = 26,264,677,139.01/186,780.67
  6. Step 6: Final answer
    x = 140,617.75

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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.