Home / 288,146.22-397,679.40-160,848.24

Finding the Fourth Proportional to 288,146.22, 397,679.40 and 160,848.24

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Solution

The fourth proportional to 288,146.22, 397,679.40 and 160,848.24 is: 221,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,146.22 : 397,679.40 = 160,848.24 : x
  2. Step 2: Convert to fraction form
    288,146.22/397,679.40 = 160,848.24/x
  3. Step 3: Cross multiply
    288,146.22x = 397,679.40 × 160,848.24
  4. Step 4: Simplify right side
    288,146.22x = 63,966,031,574.26
  5. Step 5: Solve for x
    x = 63,966,031,574.26/288,146.22
  6. Step 6: Final answer
    x = 221,991.57

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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.