Home / 121,678.15-182,262.65-97,856.94

Finding the Fourth Proportional to 121,678.15, 182,262.65 and 97,856.94

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Solution

The fourth proportional to 121,678.15, 182,262.65 and 97,856.94 is: 146,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,678.15 : 182,262.65 = 97,856.94 : x
  2. Step 2: Convert to fraction form
    121,678.15/182,262.65 = 97,856.94/x
  3. Step 3: Cross multiply
    121,678.15x = 182,262.65 × 97,856.94
  4. Step 4: Simplify right side
    121,678.15x = 17,835,665,082.97
  5. Step 5: Solve for x
    x = 17,835,665,082.97/121,678.15
  6. Step 6: Final answer
    x = 146,580.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.