Home / 153,150.55-211,366.60-92,742.20

Finding the Fourth Proportional to 153,150.55, 211,366.60 and 92,742.20

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Solution

The fourth proportional to 153,150.55, 211,366.60 and 92,742.20 is: 127,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,150.55 : 211,366.60 = 92,742.20 : x
  2. Step 2: Convert to fraction form
    153,150.55/211,366.60 = 92,742.20/x
  3. Step 3: Cross multiply
    153,150.55x = 211,366.60 × 92,742.20
  4. Step 4: Simplify right side
    153,150.55x = 19,602,602,994.46
  5. Step 5: Solve for x
    x = 19,602,602,994.46/153,150.55
  6. Step 6: Final answer
    x = 127,995.64

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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.