Home / 628,066.80-942,100.65-154,752.16

Finding the Fourth Proportional to 628,066.80, 942,100.65 and 154,752.16

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Solution

The fourth proportional to 628,066.80, 942,100.65 and 154,752.16 is: 232,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,066.80 : 942,100.65 = 154,752.16 : x
  2. Step 2: Convert to fraction form
    628,066.80/942,100.65 = 154,752.16/x
  3. Step 3: Cross multiply
    628,066.80x = 942,100.65 × 154,752.16
  4. Step 4: Simplify right side
    628,066.80x = 145,792,110,524.90
  5. Step 5: Solve for x
    x = 145,792,110,524.90/628,066.80
  6. Step 6: Final answer
    x = 232,128.35

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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.