Home / 161,916.36-223,506.06-121,746.76

Finding the Fourth Proportional to 161,916.36, 223,506.06 and 121,746.76

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Solution

The fourth proportional to 161,916.36, 223,506.06 and 121,746.76 is: 168,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,916.36 : 223,506.06 = 121,746.76 : x
  2. Step 2: Convert to fraction form
    161,916.36/223,506.06 = 121,746.76/x
  3. Step 3: Cross multiply
    161,916.36x = 223,506.06 × 121,746.76
  4. Step 4: Simplify right side
    161,916.36x = 27,211,138,645.37
  5. Step 5: Solve for x
    x = 27,211,138,645.37/161,916.36
  6. Step 6: Final answer
    x = 168,056.76

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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.