Home / 153,937.02-212,436.69-85,951.70

Finding the Fourth Proportional to 153,937.02, 212,436.69 and 85,951.70

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Solution

The fourth proportional to 153,937.02, 212,436.69 and 85,951.70 is: 118,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,937.02 : 212,436.69 = 85,951.70 : x
  2. Step 2: Convert to fraction form
    153,937.02/212,436.69 = 85,951.70/x
  3. Step 3: Cross multiply
    153,937.02x = 212,436.69 × 85,951.70
  4. Step 4: Simplify right side
    153,937.02x = 18,259,293,585.69
  5. Step 5: Solve for x
    x = 18,259,293,585.69/153,937.02
  6. Step 6: Final answer
    x = 118,615.35

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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.