Home / 102,320.10-153,480.15-97,727.40

Finding the Fourth Proportional to 102,320.10, 153,480.15 and 97,727.40

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Solution

The fourth proportional to 102,320.10, 153,480.15 and 97,727.40 is: 146,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,320.10 : 153,480.15 = 97,727.40 : x
  2. Step 2: Convert to fraction form
    102,320.10/153,480.15 = 97,727.40/x
  3. Step 3: Cross multiply
    102,320.10x = 153,480.15 × 97,727.40
  4. Step 4: Simplify right side
    102,320.10x = 14,999,216,011.11
  5. Step 5: Solve for x
    x = 14,999,216,011.11/102,320.10
  6. Step 6: Final answer
    x = 146,591.10

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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.