Home / 364,643.04-547,209.18-127,986.42

Finding the Fourth Proportional to 364,643.04, 547,209.18 and 127,986.42

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Solution

The fourth proportional to 364,643.04, 547,209.18 and 127,986.42 is: 192,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,643.04 : 547,209.18 = 127,986.42 : x
  2. Step 2: Convert to fraction form
    364,643.04/547,209.18 = 127,986.42/x
  3. Step 3: Cross multiply
    364,643.04x = 547,209.18 × 127,986.42
  4. Step 4: Simplify right side
    364,643.04x = 70,035,343,939.34
  5. Step 5: Solve for x
    x = 70,035,343,939.34/364,643.04
  6. Step 6: Final answer
    x = 192,065.49

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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.