Home / 156,130.33-215,460.40-84,510.34

Finding the Fourth Proportional to 156,130.33, 215,460.40 and 84,510.34

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Solution

The fourth proportional to 156,130.33, 215,460.40 and 84,510.34 is: 116,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,130.33 : 215,460.40 = 84,510.34 : x
  2. Step 2: Convert to fraction form
    156,130.33/215,460.40 = 84,510.34/x
  3. Step 3: Cross multiply
    156,130.33x = 215,460.40 × 84,510.34
  4. Step 4: Simplify right side
    156,130.33x = 18,208,630,371.96
  5. Step 5: Solve for x
    x = 18,208,630,371.96/156,130.33
  6. Step 6: Final answer
    x = 116,624.55

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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.