Home / 118,537.84-163,582.40-64,822.68

Finding the Fourth Proportional to 118,537.84, 163,582.40 and 64,822.68

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Solution

The fourth proportional to 118,537.84, 163,582.40 and 64,822.68 is: 89,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,537.84 : 163,582.40 = 64,822.68 : x
  2. Step 2: Convert to fraction form
    118,537.84/163,582.40 = 64,822.68/x
  3. Step 3: Cross multiply
    118,537.84x = 163,582.40 × 64,822.68
  4. Step 4: Simplify right side
    118,537.84x = 10,603,849,568.83
  5. Step 5: Solve for x
    x = 10,603,849,568.83/118,537.84
  6. Step 6: Final answer
    x = 89,455.40

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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.