Home / 175,700.40-242,875.14-156,767.82

Finding the Fourth Proportional to 175,700.40, 242,875.14 and 156,767.82

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Solution

The fourth proportional to 175,700.40, 242,875.14 and 156,767.82 is: 216,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,700.40 : 242,875.14 = 156,767.82 : x
  2. Step 2: Convert to fraction form
    175,700.40/242,875.14 = 156,767.82/x
  3. Step 3: Cross multiply
    175,700.40x = 242,875.14 × 156,767.82
  4. Step 4: Simplify right side
    175,700.40x = 38,075,006,229.99
  5. Step 5: Solve for x
    x = 38,075,006,229.99/175,700.40
  6. Step 6: Final answer
    x = 216,704.15

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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.