Home / 147,569.48-203,646.42-83,928.20

Finding the Fourth Proportional to 147,569.48, 203,646.42 and 83,928.20

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Solution

The fourth proportional to 147,569.48, 203,646.42 and 83,928.20 is: 115,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,569.48 : 203,646.42 = 83,928.20 : x
  2. Step 2: Convert to fraction form
    147,569.48/203,646.42 = 83,928.20/x
  3. Step 3: Cross multiply
    147,569.48x = 203,646.42 × 83,928.20
  4. Step 4: Simplify right side
    147,569.48x = 17,091,677,467.04
  5. Step 5: Solve for x
    x = 17,091,677,467.04/147,569.48
  6. Step 6: Final answer
    x = 115,821.22

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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.