Home / 154,875.36-213,848.40-119,008.80

Finding the Fourth Proportional to 154,875.36, 213,848.40 and 119,008.80

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Solution

The fourth proportional to 154,875.36, 213,848.40 and 119,008.80 is: 164,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,875.36 : 213,848.40 = 119,008.80 : x
  2. Step 2: Convert to fraction form
    154,875.36/213,848.40 = 119,008.80/x
  3. Step 3: Cross multiply
    154,875.36x = 213,848.40 × 119,008.80
  4. Step 4: Simplify right side
    154,875.36x = 25,449,841,465.92
  5. Step 5: Solve for x
    x = 25,449,841,465.92/154,875.36
  6. Step 6: Final answer
    x = 164,324.66

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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.