Home / 102,117.20-153,155.57-97,053.80

Finding the Fourth Proportional to 102,117.20, 153,155.57 and 97,053.80

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Solution

The fourth proportional to 102,117.20, 153,155.57 and 97,053.80 is: 145,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,117.20 : 153,155.57 = 97,053.80 : x
  2. Step 2: Convert to fraction form
    102,117.20/153,155.57 = 97,053.80/x
  3. Step 3: Cross multiply
    102,117.20x = 153,155.57 × 97,053.80
  4. Step 4: Simplify right side
    102,117.20x = 14,864,330,059.67
  5. Step 5: Solve for x
    x = 14,864,330,059.67/102,117.20
  6. Step 6: Final answer
    x = 145,561.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.