Home / 156,848.07-216,449.91-85,228.35

Finding the Fourth Proportional to 156,848.07, 216,449.91 and 85,228.35

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Solution

The fourth proportional to 156,848.07, 216,449.91 and 85,228.35 is: 117,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848.07 : 216,449.91 = 85,228.35 : x
  2. Step 2: Convert to fraction form
    156,848.07/216,449.91 = 85,228.35/x
  3. Step 3: Cross multiply
    156,848.07x = 216,449.91 × 85,228.35
  4. Step 4: Simplify right side
    156,848.07x = 18,447,668,686.95
  5. Step 5: Solve for x
    x = 18,447,668,686.95/156,848.07
  6. Step 6: Final answer
    x = 117,614.89

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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.