Home / 215,523.02-297,421.67-124,931.50

Finding the Fourth Proportional to 215,523.02, 297,421.67 and 124,931.50

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Solution

The fourth proportional to 215,523.02, 297,421.67 and 124,931.50 is: 172,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,523.02 : 297,421.67 = 124,931.50 : x
  2. Step 2: Convert to fraction form
    215,523.02/297,421.67 = 124,931.50/x
  3. Step 3: Cross multiply
    215,523.02x = 297,421.67 × 124,931.50
  4. Step 4: Simplify right side
    215,523.02x = 37,157,334,934.38
  5. Step 5: Solve for x
    x = 37,157,334,934.38/215,523.02
  6. Step 6: Final answer
    x = 172,405.41

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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.