Home / 288,237.12-397,873.37-173,521.10

Finding the Fourth Proportional to 288,237.12, 397,873.37 and 173,521.10

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Solution

The fourth proportional to 288,237.12, 397,873.37 and 173,521.10 is: 239,523.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,237.12 : 397,873.37 = 173,521.10 : x
  2. Step 2: Convert to fraction form
    288,237.12/397,873.37 = 173,521.10/x
  3. Step 3: Cross multiply
    288,237.12x = 397,873.37 × 173,521.10
  4. Step 4: Simplify right side
    288,237.12x = 69,039,421,966.13
  5. Step 5: Solve for x
    x = 69,039,421,966.13/288,237.12
  6. Step 6: Final answer
    x = 239,523.01

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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.