Home / 118,018.19-162,863.06-64,303.65

Finding the Fourth Proportional to 118,018.19, 162,863.06 and 64,303.65

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Solution

The fourth proportional to 118,018.19, 162,863.06 and 64,303.65 is: 88,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,018.19 : 162,863.06 = 64,303.65 : x
  2. Step 2: Convert to fraction form
    118,018.19/162,863.06 = 64,303.65/x
  3. Step 3: Cross multiply
    118,018.19x = 162,863.06 × 64,303.65
  4. Step 4: Simplify right side
    118,018.19x = 10,472,688,886.65
  5. Step 5: Solve for x
    x = 10,472,688,886.65/118,018.19
  6. Step 6: Final answer
    x = 88,737.92

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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.