Home / 154,024.81-212,465.53-92,728.36

Finding the Fourth Proportional to 154,024.81, 212,465.53 and 92,728.36

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Solution

The fourth proportional to 154,024.81, 212,465.53 and 92,728.36 is: 127,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,024.81 : 212,465.53 = 92,728.36 : x
  2. Step 2: Convert to fraction form
    154,024.81/212,465.53 = 92,728.36/x
  3. Step 3: Cross multiply
    154,024.81x = 212,465.53 × 92,728.36
  4. Step 4: Simplify right side
    154,024.81x = 19,701,580,534.92
  5. Step 5: Solve for x
    x = 19,701,580,534.92/154,024.81
  6. Step 6: Final answer
    x = 127,911.74

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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.