Home / 143,938.56-215,820-59,632.32

Finding the Fourth Proportional to 143,938.56, 215,820 and 59,632.32

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Solution

The fourth proportional to 143,938.56, 215,820 and 59,632.32 is: 89,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,938.56 : 215,820 = 59,632.32 : x
  2. Step 2: Convert to fraction form
    143,938.56/215,820 = 59,632.32/x
  3. Step 3: Cross multiply
    143,938.56x = 215,820 × 59,632.32
  4. Step 4: Simplify right side
    143,938.56x = 12,869,847,302.40
  5. Step 5: Solve for x
    x = 12,869,847,302.40/143,938.56
  6. Step 6: Final answer
    x = 89,412.09

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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.