Home / 288,165.56-397,684.02-160,840.04

Finding the Fourth Proportional to 288,165.56, 397,684.02 and 160,840.04

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Solution

The fourth proportional to 288,165.56, 397,684.02 and 160,840.04 is: 221,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,165.56 : 397,684.02 = 160,840.04 : x
  2. Step 2: Convert to fraction form
    288,165.56/397,684.02 = 160,840.04/x
  3. Step 3: Cross multiply
    288,165.56x = 397,684.02 × 160,840.04
  4. Step 4: Simplify right side
    288,165.56x = 63,963,513,684.16
  5. Step 5: Solve for x
    x = 63,963,513,684.16/288,165.56
  6. Step 6: Final answer
    x = 221,967.93

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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.