Home / 142,074.93-196,088.79-84,717.96

Finding the Fourth Proportional to 142,074.93, 196,088.79 and 84,717.96

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Solution

The fourth proportional to 142,074.93, 196,088.79 and 84,717.96 is: 116,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,074.93 : 196,088.79 = 84,717.96 : x
  2. Step 2: Convert to fraction form
    142,074.93/196,088.79 = 84,717.96/x
  3. Step 3: Cross multiply
    142,074.93x = 196,088.79 × 84,717.96
  4. Step 4: Simplify right side
    142,074.93x = 16,612,242,267.67
  5. Step 5: Solve for x
    x = 16,612,242,267.67/142,074.93
  6. Step 6: Final answer
    x = 116,925.92

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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.