Home / 145,115.04-217,541.16-51,598.92

Finding the Fourth Proportional to 145,115.04, 217,541.16 and 51,598.92

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Solution

The fourth proportional to 145,115.04, 217,541.16 and 51,598.92 is: 77,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,115.04 : 217,541.16 = 51,598.92 : x
  2. Step 2: Convert to fraction form
    145,115.04/217,541.16 = 51,598.92/x
  3. Step 3: Cross multiply
    145,115.04x = 217,541.16 × 51,598.92
  4. Step 4: Simplify right side
    145,115.04x = 11,224,888,911.55
  5. Step 5: Solve for x
    x = 11,224,888,911.55/145,115.04
  6. Step 6: Final answer
    x = 77,351.66

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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.