Home / 210,642.23-315,683.89-92,184.59

Finding the Fourth Proportional to 210,642.23, 315,683.89 and 92,184.59

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Solution

The fourth proportional to 210,642.23, 315,683.89 and 92,184.59 is: 138,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,642.23 : 315,683.89 = 92,184.59 : x
  2. Step 2: Convert to fraction form
    210,642.23/315,683.89 = 92,184.59/x
  3. Step 3: Cross multiply
    210,642.23x = 315,683.89 × 92,184.59
  4. Step 4: Simplify right side
    210,642.23x = 29,101,189,969.26
  5. Step 5: Solve for x
    x = 29,101,189,969.26/210,642.23
  6. Step 6: Final answer
    x = 138,154.59

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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.