Home / 160,434.48-221,302.49-103,054.26

Finding the Fourth Proportional to 160,434.48, 221,302.49 and 103,054.26

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Solution

The fourth proportional to 160,434.48, 221,302.49 and 103,054.26 is: 142,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,434.48 : 221,302.49 = 103,054.26 : x
  2. Step 2: Convert to fraction form
    160,434.48/221,302.49 = 103,054.26/x
  3. Step 3: Cross multiply
    160,434.48x = 221,302.49 × 103,054.26
  4. Step 4: Simplify right side
    160,434.48x = 22,806,163,827.84
  5. Step 5: Solve for x
    x = 22,806,163,827.84/160,434.48
  6. Step 6: Final answer
    x = 142,152.51

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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.