Home / 157,337.19-236,079.60-78,457.57

Finding the Fourth Proportional to 157,337.19, 236,079.60 and 78,457.57

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Solution

The fourth proportional to 157,337.19, 236,079.60 and 78,457.57 is: 117,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,337.19 : 236,079.60 = 78,457.57 : x
  2. Step 2: Convert to fraction form
    157,337.19/236,079.60 = 78,457.57/x
  3. Step 3: Cross multiply
    157,337.19x = 236,079.60 × 78,457.57
  4. Step 4: Simplify right side
    157,337.19x = 18,522,230,858.16
  5. Step 5: Solve for x
    x = 18,522,230,858.16/157,337.19
  6. Step 6: Final answer
    x = 117,723.16

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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.