Home / 145,276.14-200,459.25-81,601.74

Finding the Fourth Proportional to 145,276.14, 200,459.25 and 81,601.74

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Solution

The fourth proportional to 145,276.14, 200,459.25 and 81,601.74 is: 112,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,276.14 : 200,459.25 = 81,601.74 : x
  2. Step 2: Convert to fraction form
    145,276.14/200,459.25 = 81,601.74/x
  3. Step 3: Cross multiply
    145,276.14x = 200,459.25 × 81,601.74
  4. Step 4: Simplify right side
    145,276.14x = 16,357,823,599.10
  5. Step 5: Solve for x
    x = 16,357,823,599.10/145,276.14
  6. Step 6: Final answer
    x = 112,598.14

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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.