Home / 134,975.47-186,267.56-74,547.65

Finding the Fourth Proportional to 134,975.47, 186,267.56 and 74,547.65

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Solution

The fourth proportional to 134,975.47, 186,267.56 and 74,547.65 is: 102,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,975.47 : 186,267.56 = 74,547.65 : x
  2. Step 2: Convert to fraction form
    134,975.47/186,267.56 = 74,547.65/x
  3. Step 3: Cross multiply
    134,975.47x = 186,267.56 × 74,547.65
  4. Step 4: Simplify right side
    134,975.47x = 13,885,808,869.23
  5. Step 5: Solve for x
    x = 13,885,808,869.23/134,975.47
  6. Step 6: Final answer
    x = 102,876.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.