Home / 109,541.60-164,312.40-83,297.60

Finding the Fourth Proportional to 109,541.60, 164,312.40 and 83,297.60

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Solution

The fourth proportional to 109,541.60, 164,312.40 and 83,297.60 is: 124,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,541.60 : 164,312.40 = 83,297.60 : x
  2. Step 2: Convert to fraction form
    109,541.60/164,312.40 = 83,297.60/x
  3. Step 3: Cross multiply
    109,541.60x = 164,312.40 × 83,297.60
  4. Step 4: Simplify right side
    109,541.60x = 13,686,828,570.24
  5. Step 5: Solve for x
    x = 13,686,828,570.24/109,541.60
  6. Step 6: Final answer
    x = 124,946.40

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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.