Home / 452,852.20-679,256.70-153,303.40

Finding the Fourth Proportional to 452,852.20, 679,256.70 and 153,303.40

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Solution

The fourth proportional to 452,852.20, 679,256.70 and 153,303.40 is: 229,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,852.20 : 679,256.70 = 153,303.40 : x
  2. Step 2: Convert to fraction form
    452,852.20/679,256.70 = 153,303.40/x
  3. Step 3: Cross multiply
    452,852.20x = 679,256.70 × 153,303.40
  4. Step 4: Simplify right side
    452,852.20x = 104,132,361,582.78
  5. Step 5: Solve for x
    x = 104,132,361,582.78/452,852.20
  6. Step 6: Final answer
    x = 229,947.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.