Home / 163,412.98-245,133.59-45,084.32

Finding the Fourth Proportional to 163,412.98, 245,133.59 and 45,084.32

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Solution

The fourth proportional to 163,412.98, 245,133.59 and 45,084.32 is: 67,630.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,412.98 : 245,133.59 = 45,084.32 : x
  2. Step 2: Convert to fraction form
    163,412.98/245,133.59 = 45,084.32/x
  3. Step 3: Cross multiply
    163,412.98x = 245,133.59 × 45,084.32
  4. Step 4: Simplify right side
    163,412.98x = 11,051,681,214.31
  5. Step 5: Solve for x
    x = 11,051,681,214.31/163,412.98
  6. Step 6: Final answer
    x = 67,630.38

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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.