Home / 553,364.40-829,933.20-153,904.80

Finding the Fourth Proportional to 553,364.40, 829,933.20 and 153,904.80

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Solution

The fourth proportional to 553,364.40, 829,933.20 and 153,904.80 is: 230,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,364.40 : 829,933.20 = 153,904.80 : x
  2. Step 2: Convert to fraction form
    553,364.40/829,933.20 = 153,904.80/x
  3. Step 3: Cross multiply
    553,364.40x = 829,933.20 × 153,904.80
  4. Step 4: Simplify right side
    553,364.40x = 127,730,703,159.36
  5. Step 5: Solve for x
    x = 127,730,703,159.36/553,364.40
  6. Step 6: Final answer
    x = 230,825.66

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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.