Home / 156,673.62-216,214.02-85,058.31

Finding the Fourth Proportional to 156,673.62, 216,214.02 and 85,058.31

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Solution

The fourth proportional to 156,673.62, 216,214.02 and 85,058.31 is: 117,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,673.62 : 216,214.02 = 85,058.31 : x
  2. Step 2: Convert to fraction form
    156,673.62/216,214.02 = 85,058.31/x
  3. Step 3: Cross multiply
    156,673.62x = 216,214.02 × 85,058.31
  4. Step 4: Simplify right side
    156,673.62x = 18,390,799,139.51
  5. Step 5: Solve for x
    x = 18,390,799,139.51/156,673.62
  6. Step 6: Final answer
    x = 117,382.87

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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.