Home / 170,038.80-255,058.20-154,875.60

Finding the Fourth Proportional to 170,038.80, 255,058.20 and 154,875.60

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Solution

The fourth proportional to 170,038.80, 255,058.20 and 154,875.60 is: 232,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,038.80 : 255,058.20 = 154,875.60 : x
  2. Step 2: Convert to fraction form
    170,038.80/255,058.20 = 154,875.60/x
  3. Step 3: Cross multiply
    170,038.80x = 255,058.20 × 154,875.60
  4. Step 4: Simplify right side
    170,038.80x = 39,502,291,759.92
  5. Step 5: Solve for x
    x = 39,502,291,759.92/170,038.80
  6. Step 6: Final answer
    x = 232,313.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.