Home / 163,543.05-245,314.58-153,045.45

Finding the Fourth Proportional to 163,543.05, 245,314.58 and 153,045.45

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Solution

The fourth proportional to 163,543.05, 245,314.58 and 153,045.45 is: 229,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,543.05 : 245,314.58 = 153,045.45 : x
  2. Step 2: Convert to fraction form
    163,543.05/245,314.58 = 153,045.45/x
  3. Step 3: Cross multiply
    163,543.05x = 245,314.58 × 153,045.45
  4. Step 4: Simplify right side
    163,543.05x = 37,544,279,522.43
  5. Step 5: Solve for x
    x = 37,544,279,522.43/163,543.05
  6. Step 6: Final answer
    x = 229,568.18

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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.