Home / 102,413.22-153,555.57-31,312.23

Finding the Fourth Proportional to 102,413.22, 153,555.57 and 31,312.23

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Solution

The fourth proportional to 102,413.22, 153,555.57 and 31,312.23 is: 46,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,413.22 : 153,555.57 = 31,312.23 : x
  2. Step 2: Convert to fraction form
    102,413.22/153,555.57 = 31,312.23/x
  3. Step 3: Cross multiply
    102,413.22x = 153,555.57 × 31,312.23
  4. Step 4: Simplify right side
    102,413.22x = 4,808,167,325.62
  5. Step 5: Solve for x
    x = 4,808,167,325.62/102,413.22
  6. Step 6: Final answer
    x = 46,948.70

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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.