Home / 235,622.04-325,159.20-128,192.10

Finding the Fourth Proportional to 235,622.04, 325,159.20 and 128,192.10

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Solution

The fourth proportional to 235,622.04, 325,159.20 and 128,192.10 is: 176,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,622.04 : 325,159.20 = 128,192.10 : x
  2. Step 2: Convert to fraction form
    235,622.04/325,159.20 = 128,192.10/x
  3. Step 3: Cross multiply
    235,622.04x = 325,159.20 × 128,192.10
  4. Step 4: Simplify right side
    235,622.04x = 41,682,840,682.32
  5. Step 5: Solve for x
    x = 41,682,840,682.32/235,622.04
  6. Step 6: Final answer
    x = 176,905.52

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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.