Home / 210,440.03-290,406.53-114,946.70

Finding the Fourth Proportional to 210,440.03, 290,406.53 and 114,946.70

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Solution

The fourth proportional to 210,440.03, 290,406.53 and 114,946.70 is: 158,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,440.03 : 290,406.53 = 114,946.70 : x
  2. Step 2: Convert to fraction form
    210,440.03/290,406.53 = 114,946.70/x
  3. Step 3: Cross multiply
    210,440.03x = 290,406.53 × 114,946.70
  4. Step 4: Simplify right side
    210,440.03x = 33,381,271,117.29
  5. Step 5: Solve for x
    x = 33,381,271,117.29/210,440.03
  6. Step 6: Final answer
    x = 158,626.06

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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.