Home / 102,329.16-153,210.32-52,301.52

Finding the Fourth Proportional to 102,329.16, 153,210.32 and 52,301.52

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Solution

The fourth proportional to 102,329.16, 153,210.32 and 52,301.52 is: 78,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,329.16 : 153,210.32 = 52,301.52 : x
  2. Step 2: Convert to fraction form
    102,329.16/153,210.32 = 52,301.52/x
  3. Step 3: Cross multiply
    102,329.16x = 153,210.32 × 52,301.52
  4. Step 4: Simplify right side
    102,329.16x = 8,013,132,615.69
  5. Step 5: Solve for x
    x = 8,013,132,615.69/102,329.16
  6. Step 6: Final answer
    x = 78,307.42

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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.