Home / 175,702.55-242,235.02-131,909.70

Finding the Fourth Proportional to 175,702.55, 242,235.02 and 131,909.70

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Solution

The fourth proportional to 175,702.55, 242,235.02 and 131,909.70 is: 181,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,702.55 : 242,235.02 = 131,909.70 : x
  2. Step 2: Convert to fraction form
    175,702.55/242,235.02 = 131,909.70/x
  3. Step 3: Cross multiply
    175,702.55x = 242,235.02 × 131,909.70
  4. Step 4: Simplify right side
    175,702.55x = 31,953,148,158.15
  5. Step 5: Solve for x
    x = 31,953,148,158.15/175,702.55
  6. Step 6: Final answer
    x = 181,859.34

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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.