Home / 369,859.12-554,782.64-117,139.23

Finding the Fourth Proportional to 369,859.12, 554,782.64 and 117,139.23

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Solution

The fourth proportional to 369,859.12, 554,782.64 and 117,139.23 is: 175,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,859.12 : 554,782.64 = 117,139.23 : x
  2. Step 2: Convert to fraction form
    369,859.12/554,782.64 = 117,139.23/x
  3. Step 3: Cross multiply
    369,859.12x = 554,782.64 × 117,139.23
  4. Step 4: Simplify right side
    369,859.12x = 64,986,810,681.27
  5. Step 5: Solve for x
    x = 64,986,810,681.27/369,859.12
  6. Step 6: Final answer
    x = 175,706.93

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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.