Home / 369,017.84-553,575-132,386.96

Finding the Fourth Proportional to 369,017.84, 553,575 and 132,386.96

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Solution

The fourth proportional to 369,017.84, 553,575 and 132,386.96 is: 198,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,017.84 : 553,575 = 132,386.96 : x
  2. Step 2: Convert to fraction form
    369,017.84/553,575 = 132,386.96/x
  3. Step 3: Cross multiply
    369,017.84x = 553,575 × 132,386.96
  4. Step 4: Simplify right side
    369,017.84x = 73,286,111,382
  5. Step 5: Solve for x
    x = 73,286,111,382/369,017.84
  6. Step 6: Final answer
    x = 198,597.75

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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.