Home / 156,113.02-215,437.54-84,494.57

Finding the Fourth Proportional to 156,113.02, 215,437.54 and 84,494.57

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Solution

The fourth proportional to 156,113.02, 215,437.54 and 84,494.57 is: 116,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,113.02 : 215,437.54 = 84,494.57 : x
  2. Step 2: Convert to fraction form
    156,113.02/215,437.54 = 84,494.57/x
  3. Step 3: Cross multiply
    156,113.02x = 215,437.54 × 84,494.57
  4. Step 4: Simplify right side
    156,113.02x = 18,203,302,304.16
  5. Step 5: Solve for x
    x = 18,203,302,304.16/156,113.02
  6. Step 6: Final answer
    x = 116,603.36

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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.