Home / 369,413.12-554,148.80-116,713.12

Finding the Fourth Proportional to 369,413.12, 554,148.80 and 116,713.12

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Solution

The fourth proportional to 369,413.12, 554,148.80 and 116,713.12 is: 175,078.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,413.12 : 554,148.80 = 116,713.12 : x
  2. Step 2: Convert to fraction form
    369,413.12/554,148.80 = 116,713.12/x
  3. Step 3: Cross multiply
    369,413.12x = 554,148.80 × 116,713.12
  4. Step 4: Simplify right side
    369,413.12x = 64,676,435,392.26
  5. Step 5: Solve for x
    x = 64,676,435,392.26/369,413.12
  6. Step 6: Final answer
    x = 175,078.88

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1.5x scale

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.