Home / 124,266.40-171,502.80-70,568.32

Finding the Fourth Proportional to 124,266.40, 171,502.80 and 70,568.32

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Solution

The fourth proportional to 124,266.40, 171,502.80 and 70,568.32 is: 97,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,266.40 : 171,502.80 = 70,568.32 : x
  2. Step 2: Convert to fraction form
    124,266.40/171,502.80 = 70,568.32/x
  3. Step 3: Cross multiply
    124,266.40x = 171,502.80 × 70,568.32
  4. Step 4: Simplify right side
    124,266.40x = 12,102,664,471.30
  5. Step 5: Solve for x
    x = 12,102,664,471.30/124,266.40
  6. Step 6: Final answer
    x = 97,392.90

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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.