Home / 157,555.78-236,282.67-52,346.50

Finding the Fourth Proportional to 157,555.78, 236,282.67 and 52,346.50

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Solution

The fourth proportional to 157,555.78, 236,282.67 and 52,346.50 is: 78,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,555.78 : 236,282.67 = 52,346.50 : x
  2. Step 2: Convert to fraction form
    157,555.78/236,282.67 = 52,346.50/x
  3. Step 3: Cross multiply
    157,555.78x = 236,282.67 × 52,346.50
  4. Step 4: Simplify right side
    157,555.78x = 12,368,570,785.16
  5. Step 5: Solve for x
    x = 12,368,570,785.16/157,555.78
  6. Step 6: Final answer
    x = 78,502.81

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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.