Home / 142,024.74-196,065.16-88,327.06

Finding the Fourth Proportional to 142,024.74, 196,065.16 and 88,327.06

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Solution

The fourth proportional to 142,024.74, 196,065.16 and 88,327.06 is: 121,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,024.74 : 196,065.16 = 88,327.06 : x
  2. Step 2: Convert to fraction form
    142,024.74/196,065.16 = 88,327.06/x
  3. Step 3: Cross multiply
    142,024.74x = 196,065.16 × 88,327.06
  4. Step 4: Simplify right side
    142,024.74x = 17,317,859,151.23
  5. Step 5: Solve for x
    x = 17,317,859,151.23/142,024.74
  6. Step 6: Final answer
    x = 121,935.51

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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.