Home / 163,541.40-245,341.26-45,210.12

Finding the Fourth Proportional to 163,541.40, 245,341.26 and 45,210.12

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Solution

The fourth proportional to 163,541.40, 245,341.26 and 45,210.12 is: 67,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,541.40 : 245,341.26 = 45,210.12 : x
  2. Step 2: Convert to fraction form
    163,541.40/245,341.26 = 45,210.12/x
  3. Step 3: Cross multiply
    163,541.40x = 245,341.26 × 45,210.12
  4. Step 4: Simplify right side
    163,541.40x = 11,091,907,805.55
  5. Step 5: Solve for x
    x = 11,091,907,805.55/163,541.40
  6. Step 6: Final answer
    x = 67,823.24

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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.