Home / 355,050.63-489,966.57-193,905.18

Finding the Fourth Proportional to 355,050.63, 489,966.57 and 193,905.18

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Solution

The fourth proportional to 355,050.63, 489,966.57 and 193,905.18 is: 267,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,050.63 : 489,966.57 = 193,905.18 : x
  2. Step 2: Convert to fraction form
    355,050.63/489,966.57 = 193,905.18/x
  3. Step 3: Cross multiply
    355,050.63x = 489,966.57 × 193,905.18
  4. Step 4: Simplify right side
    355,050.63x = 95,007,055,949.83
  5. Step 5: Solve for x
    x = 95,007,055,949.83/355,050.63
  6. Step 6: Final answer
    x = 267,587.35

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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.