Home / 158,442.51-237,503.85-99,319.70

Finding the Fourth Proportional to 158,442.51, 237,503.85 and 99,319.70

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Solution

The fourth proportional to 158,442.51, 237,503.85 and 99,319.70 is: 148,879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,442.51 : 237,503.85 = 99,319.70 : x
  2. Step 2: Convert to fraction form
    158,442.51/237,503.85 = 99,319.70/x
  3. Step 3: Cross multiply
    158,442.51x = 237,503.85 × 99,319.70
  4. Step 4: Simplify right side
    158,442.51x = 23,588,811,352.16
  5. Step 5: Solve for x
    x = 23,588,811,352.16/158,442.51
  6. Step 6: Final answer
    x = 148,879.31

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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.