Home / 147,352.08-203,370.45-86,937.72

Finding the Fourth Proportional to 147,352.08, 203,370.45 and 86,937.72

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Solution

The fourth proportional to 147,352.08, 203,370.45 and 86,937.72 is: 119,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,352.08 : 203,370.45 = 86,937.72 : x
  2. Step 2: Convert to fraction form
    147,352.08/203,370.45 = 86,937.72/x
  3. Step 3: Cross multiply
    147,352.08x = 203,370.45 × 86,937.72
  4. Step 4: Simplify right side
    147,352.08x = 17,680,563,238.37
  5. Step 5: Solve for x
    x = 17,680,563,238.37/147,352.08
  6. Step 6: Final answer
    x = 119,988.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.