Home / 286,036.84-429,193.50-117,681.40

Finding the Fourth Proportional to 286,036.84, 429,193.50 and 117,681.40

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Solution

The fourth proportional to 286,036.84, 429,193.50 and 117,681.40 is: 176,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,036.84 : 429,193.50 = 117,681.40 : x
  2. Step 2: Convert to fraction form
    286,036.84/429,193.50 = 117,681.40/x
  3. Step 3: Cross multiply
    286,036.84x = 429,193.50 × 117,681.40
  4. Step 4: Simplify right side
    286,036.84x = 50,508,091,950.90
  5. Step 5: Solve for x
    x = 50,508,091,950.90/286,036.84
  6. Step 6: Final answer
    x = 176,578.97

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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.