Home / 134,869.20-202,534.20-88,328.40

Finding the Fourth Proportional to 134,869.20, 202,534.20 and 88,328.40

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Solution

The fourth proportional to 134,869.20, 202,534.20 and 88,328.40 is: 132,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,869.20 : 202,534.20 = 88,328.40 : x
  2. Step 2: Convert to fraction form
    134,869.20/202,534.20 = 88,328.40/x
  3. Step 3: Cross multiply
    134,869.20x = 202,534.20 × 88,328.40
  4. Step 4: Simplify right side
    134,869.20x = 17,889,521,831.28
  5. Step 5: Solve for x
    x = 17,889,521,831.28/134,869.20
  6. Step 6: Final answer
    x = 132,643.49

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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.