Home / 145,878.70-218,818.05-46,046.68

Finding the Fourth Proportional to 145,878.70, 218,818.05 and 46,046.68

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Solution

The fourth proportional to 145,878.70, 218,818.05 and 46,046.68 is: 69,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,878.70 : 218,818.05 = 46,046.68 : x
  2. Step 2: Convert to fraction form
    145,878.70/218,818.05 = 46,046.68/x
  3. Step 3: Cross multiply
    145,878.70x = 218,818.05 × 46,046.68
  4. Step 4: Simplify right side
    145,878.70x = 10,075,843,402.25
  5. Step 5: Solve for x
    x = 10,075,843,402.25/145,878.70
  6. Step 6: Final answer
    x = 69,070.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.