Home / 106,944.48-147,581.64-59,196.78

Finding the Fourth Proportional to 106,944.48, 147,581.64 and 59,196.78

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Solution

The fourth proportional to 106,944.48, 147,581.64 and 59,196.78 is: 81,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,944.48 : 147,581.64 = 59,196.78 : x
  2. Step 2: Convert to fraction form
    106,944.48/147,581.64 = 59,196.78/x
  3. Step 3: Cross multiply
    106,944.48x = 147,581.64 × 59,196.78
  4. Step 4: Simplify right side
    106,944.48x = 8,736,357,875.12
  5. Step 5: Solve for x
    x = 8,736,357,875.12/106,944.48
  6. Step 6: Final answer
    x = 81,690.59

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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.