Home / 118,402.85-163,396.08-67,413.35

Finding the Fourth Proportional to 118,402.85, 163,396.08 and 67,413.35

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Solution

The fourth proportional to 118,402.85, 163,396.08 and 67,413.35 is: 93,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,402.85 : 163,396.08 = 67,413.35 : x
  2. Step 2: Convert to fraction form
    118,402.85/163,396.08 = 67,413.35/x
  3. Step 3: Cross multiply
    118,402.85x = 163,396.08 × 67,413.35
  4. Step 4: Simplify right side
    118,402.85x = 11,015,076,312.69
  5. Step 5: Solve for x
    x = 11,015,076,312.69/118,402.85
  6. Step 6: Final answer
    x = 93,030.50

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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.