Home / 151,075.60-208,474.15-86,545.08

Finding the Fourth Proportional to 151,075.60, 208,474.15 and 86,545.08

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Solution

The fourth proportional to 151,075.60, 208,474.15 and 86,545.08 is: 119,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,075.60 : 208,474.15 = 86,545.08 : x
  2. Step 2: Convert to fraction form
    151,075.60/208,474.15 = 86,545.08/x
  3. Step 3: Cross multiply
    151,075.60x = 208,474.15 × 86,545.08
  4. Step 4: Simplify right side
    151,075.60x = 18,042,411,989.68
  5. Step 5: Solve for x
    x = 18,042,411,989.68/151,075.60
  6. Step 6: Final answer
    x = 119,426.38

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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.