Home / 358,988.94-538,547.45-119,117.25

Finding the Fourth Proportional to 358,988.94, 538,547.45 and 119,117.25

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Solution

The fourth proportional to 358,988.94, 538,547.45 and 119,117.25 is: 178,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,988.94 : 538,547.45 = 119,117.25 : x
  2. Step 2: Convert to fraction form
    358,988.94/538,547.45 = 119,117.25/x
  3. Step 3: Cross multiply
    358,988.94x = 538,547.45 × 119,117.25
  4. Step 4: Simplify right side
    358,988.94x = 64,150,290,642.93
  5. Step 5: Solve for x
    x = 64,150,290,642.93/358,988.94
  6. Step 6: Final answer
    x = 178,697.12

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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.