Home / 143,595.51-198,184.08-86,266.74

Finding the Fourth Proportional to 143,595.51, 198,184.08 and 86,266.74

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Solution

The fourth proportional to 143,595.51, 198,184.08 and 86,266.74 is: 119,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,595.51 : 198,184.08 = 86,266.74 : x
  2. Step 2: Convert to fraction form
    143,595.51/198,184.08 = 86,266.74/x
  3. Step 3: Cross multiply
    143,595.51x = 198,184.08 × 86,266.74
  4. Step 4: Simplify right side
    143,595.51x = 17,096,694,501.50
  5. Step 5: Solve for x
    x = 17,096,694,501.50/143,595.51
  6. Step 6: Final answer
    x = 119,061.48

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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.