Home / 164,931.87-247,438.10-52,612.11

Finding the Fourth Proportional to 164,931.87, 247,438.10 and 52,612.11

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Solution

The fourth proportional to 164,931.87, 247,438.10 and 52,612.11 is: 78,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,931.87 : 247,438.10 = 52,612.11 : x
  2. Step 2: Convert to fraction form
    164,931.87/247,438.10 = 52,612.11/x
  3. Step 3: Cross multiply
    164,931.87x = 247,438.10 × 52,612.11
  4. Step 4: Simplify right side
    164,931.87x = 13,018,240,535.39
  5. Step 5: Solve for x
    x = 13,018,240,535.39/164,931.87
  6. Step 6: Final answer
    x = 78,931.02

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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.