Home / 369,405.93-554,140.34-116,618.80

Finding the Fourth Proportional to 369,405.93, 554,140.34 and 116,618.80

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Solution

The fourth proportional to 369,405.93, 554,140.34 and 116,618.80 is: 174,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,405.93 : 554,140.34 = 116,618.80 : x
  2. Step 2: Convert to fraction form
    369,405.93/554,140.34 = 116,618.80/x
  3. Step 3: Cross multiply
    369,405.93x = 554,140.34 × 116,618.80
  4. Step 4: Simplify right side
    369,405.93x = 64,623,181,482.39
  5. Step 5: Solve for x
    x = 64,623,181,482.39/369,405.93
  6. Step 6: Final answer
    x = 174,938.13

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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.