Home / 112,252.72-154,903.92-61,264.16

Finding the Fourth Proportional to 112,252.72, 154,903.92 and 61,264.16

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Solution

The fourth proportional to 112,252.72, 154,903.92 and 61,264.16 is: 84,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,252.72 : 154,903.92 = 61,264.16 : x
  2. Step 2: Convert to fraction form
    112,252.72/154,903.92 = 61,264.16/x
  3. Step 3: Cross multiply
    112,252.72x = 154,903.92 × 61,264.16
  4. Step 4: Simplify right side
    112,252.72x = 9,490,058,539.51
  5. Step 5: Solve for x
    x = 9,490,058,539.51/112,252.72
  6. Step 6: Final answer
    x = 84,541.90

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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.