Home / 124,132.32-171,302.13-70,427.70

Finding the Fourth Proportional to 124,132.32, 171,302.13 and 70,427.70

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Solution

The fourth proportional to 124,132.32, 171,302.13 and 70,427.70 is: 97,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,132.32 : 171,302.13 = 70,427.70 : x
  2. Step 2: Convert to fraction form
    124,132.32/171,302.13 = 70,427.70/x
  3. Step 3: Cross multiply
    124,132.32x = 171,302.13 × 70,427.70
  4. Step 4: Simplify right side
    124,132.32x = 12,064,415,021.00
  5. Step 5: Solve for x
    x = 12,064,415,021.00/124,132.32
  6. Step 6: Final answer
    x = 97,189.96

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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.