Home / 99,150.17-136,776.51-63,302.49

Finding the Fourth Proportional to 99,150.17, 136,776.51 and 63,302.49

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Solution

The fourth proportional to 99,150.17, 136,776.51 and 63,302.49 is: 87,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,150.17 : 136,776.51 = 63,302.49 : x
  2. Step 2: Convert to fraction form
    99,150.17/136,776.51 = 63,302.49/x
  3. Step 3: Cross multiply
    99,150.17x = 136,776.51 × 63,302.49
  4. Step 4: Simplify right side
    99,150.17x = 8,658,293,656.51
  5. Step 5: Solve for x
    x = 8,658,293,656.51/99,150.17
  6. Step 6: Final answer
    x = 87,325.05

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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.