Home / 230,103.36-317,534.04-128,132.46

Finding the Fourth Proportional to 230,103.36, 317,534.04 and 128,132.46

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Solution

The fourth proportional to 230,103.36, 317,534.04 and 128,132.46 is: 176,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,103.36 : 317,534.04 = 128,132.46 : x
  2. Step 2: Convert to fraction form
    230,103.36/317,534.04 = 128,132.46/x
  3. Step 3: Cross multiply
    230,103.36x = 317,534.04 × 128,132.46
  4. Step 4: Simplify right side
    230,103.36x = 40,686,417,678.94
  5. Step 5: Solve for x
    x = 40,686,417,678.94/230,103.36
  6. Step 6: Final answer
    x = 176,818.01

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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.