Home / 112,316.10-154,946.49-76,004.64

Finding the Fourth Proportional to 112,316.10, 154,946.49 and 76,004.64

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Solution

The fourth proportional to 112,316.10, 154,946.49 and 76,004.64 is: 104,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,316.10 : 154,946.49 = 76,004.64 : x
  2. Step 2: Convert to fraction form
    112,316.10/154,946.49 = 76,004.64/x
  3. Step 3: Cross multiply
    112,316.10x = 154,946.49 × 76,004.64
  4. Step 4: Simplify right side
    112,316.10x = 11,776,652,191.71
  5. Step 5: Solve for x
    x = 11,776,652,191.71/112,316.10
  6. Step 6: Final answer
    x = 104,852.75

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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.