Home / 216,886.07-299,306.47-118,777.94

Finding the Fourth Proportional to 216,886.07, 299,306.47 and 118,777.94

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Solution

The fourth proportional to 216,886.07, 299,306.47 and 118,777.94 is: 163,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,886.07 : 299,306.47 = 118,777.94 : x
  2. Step 2: Convert to fraction form
    216,886.07/299,306.47 = 118,777.94/x
  3. Step 3: Cross multiply
    216,886.07x = 299,306.47 × 118,777.94
  4. Step 4: Simplify right side
    216,886.07x = 35,551,004,438.74
  5. Step 5: Solve for x
    x = 35,551,004,438.74/216,886.07
  6. Step 6: Final answer
    x = 163,915.58

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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.