Home / 113,292.02-156,325.47-65,549.82

Finding the Fourth Proportional to 113,292.02, 156,325.47 and 65,549.82

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Solution

The fourth proportional to 113,292.02, 156,325.47 and 65,549.82 is: 90,448.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,292.02 : 156,325.47 = 65,549.82 : x
  2. Step 2: Convert to fraction form
    113,292.02/156,325.47 = 65,549.82/x
  3. Step 3: Cross multiply
    113,292.02x = 156,325.47 × 65,549.82
  4. Step 4: Simplify right side
    113,292.02x = 10,247,106,419.92
  5. Step 5: Solve for x
    x = 10,247,106,419.92/113,292.02
  6. Step 6: Final answer
    x = 90,448.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.