Home / 242,549.12-363,862.56-102,328.40

Finding the Fourth Proportional to 242,549.12, 363,862.56 and 102,328.40

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Solution

The fourth proportional to 242,549.12, 363,862.56 and 102,328.40 is: 153,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,549.12 : 363,862.56 = 102,328.40 : x
  2. Step 2: Convert to fraction form
    242,549.12/363,862.56 = 102,328.40/x
  3. Step 3: Cross multiply
    242,549.12x = 363,862.56 × 102,328.40
  4. Step 4: Simplify right side
    242,549.12x = 37,233,473,584.70
  5. Step 5: Solve for x
    x = 37,233,473,584.70/242,549.12
  6. Step 6: Final answer
    x = 153,509.00

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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.