Home / 205,126.56-282,683.09-147,664.51

Finding the Fourth Proportional to 205,126.56, 282,683.09 and 147,664.51

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Solution

The fourth proportional to 205,126.56, 282,683.09 and 147,664.51 is: 203,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,126.56 : 282,683.09 = 147,664.51 : x
  2. Step 2: Convert to fraction form
    205,126.56/282,683.09 = 147,664.51/x
  3. Step 3: Cross multiply
    205,126.56x = 282,683.09 × 147,664.51
  4. Step 4: Simplify right side
    205,126.56x = 41,742,259,970.14
  5. Step 5: Solve for x
    x = 41,742,259,970.14/205,126.56
  6. Step 6: Final answer
    x = 203,495.15

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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.