Home / 210,281.76-290,194.32-114,797.28

Finding the Fourth Proportional to 210,281.76, 290,194.32 and 114,797.28

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Solution

The fourth proportional to 210,281.76, 290,194.32 and 114,797.28 is: 158,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,281.76 : 290,194.32 = 114,797.28 : x
  2. Step 2: Convert to fraction form
    210,281.76/290,194.32 = 114,797.28/x
  3. Step 3: Cross multiply
    210,281.76x = 290,194.32 × 114,797.28
  4. Step 4: Simplify right side
    210,281.76x = 33,313,518,607.45
  5. Step 5: Solve for x
    x = 33,313,518,607.45/210,281.76
  6. Step 6: Final answer
    x = 158,423.24

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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.