Home / 162,371.51-242,368.25-143,197.19

Finding the Fourth Proportional to 162,371.51, 242,368.25 and 143,197.19

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Solution

The fourth proportional to 162,371.51, 242,368.25 and 143,197.19 is: 213,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,371.51 : 242,368.25 = 143,197.19 : x
  2. Step 2: Convert to fraction form
    162,371.51/242,368.25 = 143,197.19/x
  3. Step 3: Cross multiply
    162,371.51x = 242,368.25 × 143,197.19
  4. Step 4: Simplify right side
    162,371.51x = 34,706,452,131.76
  5. Step 5: Solve for x
    x = 34,706,452,131.76/162,371.51
  6. Step 6: Final answer
    x = 213,747.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.