Home / 153,473.63-211,795.85-88,947.68

Finding the Fourth Proportional to 153,473.63, 211,795.85 and 88,947.68

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Solution

The fourth proportional to 153,473.63, 211,795.85 and 88,947.68 is: 122,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,473.63 : 211,795.85 = 88,947.68 : x
  2. Step 2: Convert to fraction form
    153,473.63/211,795.85 = 88,947.68/x
  3. Step 3: Cross multiply
    153,473.63x = 211,795.85 × 88,947.68
  4. Step 4: Simplify right side
    153,473.63x = 18,838,748,654.52
  5. Step 5: Solve for x
    x = 18,838,748,654.52/153,473.63
  6. Step 6: Final answer
    x = 122,749.10

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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.