Home / 112,470.51-155,206.69-61,483.65

Finding the Fourth Proportional to 112,470.51, 155,206.69 and 61,483.65

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Solution

The fourth proportional to 112,470.51, 155,206.69 and 61,483.65 is: 84,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,470.51 : 155,206.69 = 61,483.65 : x
  2. Step 2: Convert to fraction form
    112,470.51/155,206.69 = 61,483.65/x
  3. Step 3: Cross multiply
    112,470.51x = 155,206.69 × 61,483.65
  4. Step 4: Simplify right side
    112,470.51x = 9,542,673,805.62
  5. Step 5: Solve for x
    x = 9,542,673,805.62/112,470.51
  6. Step 6: Final answer
    x = 84,846.01

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1.5x scale

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.