Home / 156,326.34-215,717.57-88,349.14

Finding the Fourth Proportional to 156,326.34, 215,717.57 and 88,349.14

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Solution

The fourth proportional to 156,326.34, 215,717.57 and 88,349.14 is: 121,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,326.34 : 215,717.57 = 88,349.14 : x
  2. Step 2: Convert to fraction form
    156,326.34/215,717.57 = 88,349.14/x
  3. Step 3: Cross multiply
    156,326.34x = 215,717.57 × 88,349.14
  4. Step 4: Simplify right side
    156,326.34x = 19,058,461,792.39
  5. Step 5: Solve for x
    x = 19,058,461,792.39/156,326.34
  6. Step 6: Final answer
    x = 121,914.59

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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.