Home / 134,857.80-185,998.62-86,464.35

Finding the Fourth Proportional to 134,857.80, 185,998.62 and 86,464.35

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Solution

The fourth proportional to 134,857.80, 185,998.62 and 86,464.35 is: 119,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857.80 : 185,998.62 = 86,464.35 : x
  2. Step 2: Convert to fraction form
    134,857.80/185,998.62 = 86,464.35/x
  3. Step 3: Cross multiply
    134,857.80x = 185,998.62 × 86,464.35
  4. Step 4: Simplify right side
    134,857.80x = 16,082,249,779.20
  5. Step 5: Solve for x
    x = 16,082,249,779.20/134,857.80
  6. Step 6: Final answer
    x = 119,253.39

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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.