Home / 156,886.93-216,503.98-85,266.95

Finding the Fourth Proportional to 156,886.93, 216,503.98 and 85,266.95

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Solution

The fourth proportional to 156,886.93, 216,503.98 and 85,266.95 is: 117,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,886.93 : 216,503.98 = 85,266.95 : x
  2. Step 2: Convert to fraction form
    156,886.93/216,503.98 = 85,266.95/x
  3. Step 3: Cross multiply
    156,886.93x = 216,503.98 × 85,266.95
  4. Step 4: Simplify right side
    156,886.93x = 18,460,633,221.40
  5. Step 5: Solve for x
    x = 18,460,633,221.40/156,886.93
  6. Step 6: Final answer
    x = 117,668.40

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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.