Home / 147,340.04-203,271.80-83,669.18

Finding the Fourth Proportional to 147,340.04, 203,271.80 and 83,669.18

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Solution

The fourth proportional to 147,340.04, 203,271.80 and 83,669.18 is: 115,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,340.04 : 203,271.80 = 83,669.18 : x
  2. Step 2: Convert to fraction form
    147,340.04/203,271.80 = 83,669.18/x
  3. Step 3: Cross multiply
    147,340.04x = 203,271.80 × 83,669.18
  4. Step 4: Simplify right side
    147,340.04x = 17,007,584,823.12
  5. Step 5: Solve for x
    x = 17,007,584,823.12/147,340.04
  6. Step 6: Final answer
    x = 115,430.84

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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.