Home / 132,985.80-199,312.38-66,444.66

Finding the Fourth Proportional to 132,985.80, 199,312.38 and 66,444.66

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Solution

The fourth proportional to 132,985.80, 199,312.38 and 66,444.66 is: 99,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,985.80 : 199,312.38 = 66,444.66 : x
  2. Step 2: Convert to fraction form
    132,985.80/199,312.38 = 66,444.66/x
  3. Step 3: Cross multiply
    132,985.80x = 199,312.38 × 66,444.66
  4. Step 4: Simplify right side
    132,985.80x = 13,243,243,322.89
  5. Step 5: Solve for x
    x = 13,243,243,322.89/132,985.80
  6. Step 6: Final answer
    x = 99,583.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.