Home / 510,016.02-765,111.54-155,065.92

Finding the Fourth Proportional to 510,016.02, 765,111.54 and 155,065.92

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Solution

The fourth proportional to 510,016.02, 765,111.54 and 155,065.92 is: 232,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,016.02 : 765,111.54 = 155,065.92 : x
  2. Step 2: Convert to fraction form
    510,016.02/765,111.54 = 155,065.92/x
  3. Step 3: Cross multiply
    510,016.02x = 765,111.54 × 155,065.92
  4. Step 4: Simplify right side
    510,016.02x = 118,642,724,852.72
  5. Step 5: Solve for x
    x = 118,642,724,852.72/510,016.02
  6. Step 6: Final answer
    x = 232,625.49

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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.