Home / 129,541.16-193,969.10-101,518.40

Finding the Fourth Proportional to 129,541.16, 193,969.10 and 101,518.40

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Solution

The fourth proportional to 129,541.16, 193,969.10 and 101,518.40 is: 152,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,541.16 : 193,969.10 = 101,518.40 : x
  2. Step 2: Convert to fraction form
    129,541.16/193,969.10 = 101,518.40/x
  3. Step 3: Cross multiply
    129,541.16x = 193,969.10 × 101,518.40
  4. Step 4: Simplify right side
    129,541.16x = 19,691,431,204.00
  5. Step 5: Solve for x
    x = 19,691,431,204.00/129,541.16
  6. Step 6: Final answer
    x = 152,009.08

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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.