Home / 210,518.19-290,413.62-153,068.40

Finding the Fourth Proportional to 210,518.19, 290,413.62 and 153,068.40

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Solution

The fourth proportional to 210,518.19, 290,413.62 and 153,068.40 is: 211,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,518.19 : 290,413.62 = 153,068.40 : x
  2. Step 2: Convert to fraction form
    210,518.19/290,413.62 = 153,068.40/x
  3. Step 3: Cross multiply
    210,518.19x = 290,413.62 × 153,068.40
  4. Step 4: Simplify right side
    210,518.19x = 44,453,148,151.61
  5. Step 5: Solve for x
    x = 44,453,148,151.61/210,518.19
  6. Step 6: Final answer
    x = 211,160.60

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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.