Home / 147,053.84-202,879.32-86,587.52

Finding the Fourth Proportional to 147,053.84, 202,879.32 and 86,587.52

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Solution

The fourth proportional to 147,053.84, 202,879.32 and 86,587.52 is: 119,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053.84 : 202,879.32 = 86,587.52 : x
  2. Step 2: Convert to fraction form
    147,053.84/202,879.32 = 86,587.52/x
  3. Step 3: Cross multiply
    147,053.84x = 202,879.32 × 86,587.52
  4. Step 4: Simplify right side
    147,053.84x = 17,566,817,178.09
  5. Step 5: Solve for x
    x = 17,566,817,178.09/147,053.84
  6. Step 6: Final answer
    x = 119,458.41

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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.