Home / 153,152.25-211,319.10-89,477.73

Finding the Fourth Proportional to 153,152.25, 211,319.10 and 89,477.73

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Solution

The fourth proportional to 153,152.25, 211,319.10 and 89,477.73 is: 123,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,152.25 : 211,319.10 = 89,477.73 : x
  2. Step 2: Convert to fraction form
    153,152.25/211,319.10 = 89,477.73/x
  3. Step 3: Cross multiply
    153,152.25x = 211,319.10 × 89,477.73
  4. Step 4: Simplify right side
    153,152.25x = 18,908,353,373.64
  5. Step 5: Solve for x
    x = 18,908,353,373.64/153,152.25
  6. Step 6: Final answer
    x = 123,461.15

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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.