Home / 216,088.16-298,222.36-120,603.74

Finding the Fourth Proportional to 216,088.16, 298,222.36 and 120,603.74

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Solution

The fourth proportional to 216,088.16, 298,222.36 and 120,603.74 is: 166,444.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,088.16 : 298,222.36 = 120,603.74 : x
  2. Step 2: Convert to fraction form
    216,088.16/298,222.36 = 120,603.74/x
  3. Step 3: Cross multiply
    216,088.16x = 298,222.36 × 120,603.74
  4. Step 4: Simplify right side
    216,088.16x = 35,966,730,175.01
  5. Step 5: Solve for x
    x = 35,966,730,175.01/216,088.16
  6. Step 6: Final answer
    x = 166,444.71

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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.