Home / 208,807.48-288,154.51-113,314.17

Finding the Fourth Proportional to 208,807.48, 288,154.51 and 113,314.17

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Solution

The fourth proportional to 208,807.48, 288,154.51 and 113,314.17 is: 156,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,807.48 : 288,154.51 = 113,314.17 : x
  2. Step 2: Convert to fraction form
    208,807.48/288,154.51 = 113,314.17/x
  3. Step 3: Cross multiply
    208,807.48x = 288,154.51 × 113,314.17
  4. Step 4: Simplify right side
    208,807.48x = 32,651,989,132.41
  5. Step 5: Solve for x
    x = 32,651,989,132.41/208,807.48
  6. Step 6: Final answer
    x = 156,373.66

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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.