Home / 162,632.40-243,875.70-73,840.20

Finding the Fourth Proportional to 162,632.40, 243,875.70 and 73,840.20

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Solution

The fourth proportional to 162,632.40, 243,875.70 and 73,840.20 is: 110,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,632.40 : 243,875.70 = 73,840.20 : x
  2. Step 2: Convert to fraction form
    162,632.40/243,875.70 = 73,840.20/x
  3. Step 3: Cross multiply
    162,632.40x = 243,875.70 × 73,840.20
  4. Step 4: Simplify right side
    162,632.40x = 18,007,830,463.14
  5. Step 5: Solve for x
    x = 18,007,830,463.14/162,632.40
  6. Step 6: Final answer
    x = 110,727.20

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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.