Home / 111,066.98-153,268.64-63,335.70

Finding the Fourth Proportional to 111,066.98, 153,268.64 and 63,335.70

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Solution

The fourth proportional to 111,066.98, 153,268.64 and 63,335.70 is: 87,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,066.98 : 153,268.64 = 63,335.70 : x
  2. Step 2: Convert to fraction form
    111,066.98/153,268.64 = 63,335.70/x
  3. Step 3: Cross multiply
    111,066.98x = 153,268.64 × 63,335.70
  4. Step 4: Simplify right side
    111,066.98x = 9,707,376,602.45
  5. Step 5: Solve for x
    x = 9,707,376,602.45/111,066.98
  6. Step 6: Final answer
    x = 87,401.10

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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.