Home / 142,026.96-196,068.23-88,329.28

Finding the Fourth Proportional to 142,026.96, 196,068.23 and 88,329.28

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Solution

The fourth proportional to 142,026.96, 196,068.23 and 88,329.28 is: 121,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,026.96 : 196,068.23 = 88,329.28 : x
  2. Step 2: Convert to fraction form
    142,026.96/196,068.23 = 88,329.28/x
  3. Step 3: Cross multiply
    142,026.96x = 196,068.23 × 88,329.28
  4. Step 4: Simplify right side
    142,026.96x = 17,318,565,586.77
  5. Step 5: Solve for x
    x = 17,318,565,586.77/142,026.96
  6. Step 6: Final answer
    x = 121,938.58

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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.