Home / 138,095.01-190,573.18-84,368.63

Finding the Fourth Proportional to 138,095.01, 190,573.18 and 84,368.63

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Solution

The fourth proportional to 138,095.01, 190,573.18 and 84,368.63 is: 116,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,095.01 : 190,573.18 = 84,368.63 : x
  2. Step 2: Convert to fraction form
    138,095.01/190,573.18 = 84,368.63/x
  3. Step 3: Cross multiply
    138,095.01x = 190,573.18 × 84,368.63
  4. Step 4: Simplify right side
    138,095.01x = 16,078,398,376.85
  5. Step 5: Solve for x
    x = 16,078,398,376.85/138,095.01
  6. Step 6: Final answer
    x = 116,429.97

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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.