Home / 154,632.12-232,021.35-84,509.34

Finding the Fourth Proportional to 154,632.12, 232,021.35 and 84,509.34

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Solution

The fourth proportional to 154,632.12, 232,021.35 and 84,509.34 is: 126,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,632.12 : 232,021.35 = 84,509.34 : x
  2. Step 2: Convert to fraction form
    154,632.12/232,021.35 = 84,509.34/x
  3. Step 3: Cross multiply
    154,632.12x = 232,021.35 × 84,509.34
  4. Step 4: Simplify right side
    154,632.12x = 19,607,971,154.41
  5. Step 5: Solve for x
    x = 19,607,971,154.41/154,632.12
  6. Step 6: Final answer
    x = 126,804.00

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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.