Home / 156,838.10-235,257.15-107,071.70

Finding the Fourth Proportional to 156,838.10, 235,257.15 and 107,071.70

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Solution

The fourth proportional to 156,838.10, 235,257.15 and 107,071.70 is: 160,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,838.10 : 235,257.15 = 107,071.70 : x
  2. Step 2: Convert to fraction form
    156,838.10/235,257.15 = 107,071.70/x
  3. Step 3: Cross multiply
    156,838.10x = 235,257.15 × 107,071.70
  4. Step 4: Simplify right side
    156,838.10x = 25,189,382,987.66
  5. Step 5: Solve for x
    x = 25,189,382,987.66/156,838.10
  6. Step 6: Final answer
    x = 160,607.55

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1.5x scale

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.