Home / 162,355.10-243,571.05-51,547.10

Finding the Fourth Proportional to 162,355.10, 243,571.05 and 51,547.10

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Solution

The fourth proportional to 162,355.10, 243,571.05 and 51,547.10 is: 77,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,355.10 : 243,571.05 = 51,547.10 : x
  2. Step 2: Convert to fraction form
    162,355.10/243,571.05 = 51,547.10/x
  3. Step 3: Cross multiply
    162,355.10x = 243,571.05 × 51,547.10
  4. Step 4: Simplify right side
    162,355.10x = 12,555,381,271.46
  5. Step 5: Solve for x
    x = 12,555,381,271.46/162,355.10
  6. Step 6: Final answer
    x = 77,332.84

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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.