Home / 145,011.36-217,259.76-60,585.86

Finding the Fourth Proportional to 145,011.36, 217,259.76 and 60,585.86

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Solution

The fourth proportional to 145,011.36, 217,259.76 and 60,585.86 is: 90,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,011.36 : 217,259.76 = 60,585.86 : x
  2. Step 2: Convert to fraction form
    145,011.36/217,259.76 = 60,585.86/x
  3. Step 3: Cross multiply
    145,011.36x = 217,259.76 × 60,585.86
  4. Step 4: Simplify right side
    145,011.36x = 13,162,869,402.99
  5. Step 5: Solve for x
    x = 13,162,869,402.99/145,011.36
  6. Step 6: Final answer
    x = 90,771.30

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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.