Home / 210,113.06-289,969.72-119,477.46

Finding the Fourth Proportional to 210,113.06, 289,969.72 and 119,477.46

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Solution

The fourth proportional to 210,113.06, 289,969.72 and 119,477.46 is: 164,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,113.06 : 289,969.72 = 119,477.46 : x
  2. Step 2: Convert to fraction form
    210,113.06/289,969.72 = 119,477.46/x
  3. Step 3: Cross multiply
    210,113.06x = 289,969.72 × 119,477.46
  4. Step 4: Simplify right side
    210,113.06x = 34,644,844,172.66
  5. Step 5: Solve for x
    x = 34,644,844,172.66/210,113.06
  6. Step 6: Final answer
    x = 164,886.68

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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.