Home / 145,607.40-200,889.72-118,703.52

Finding the Fourth Proportional to 145,607.40, 200,889.72 and 118,703.52

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Solution

The fourth proportional to 145,607.40, 200,889.72 and 118,703.52 is: 163,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,607.40 : 200,889.72 = 118,703.52 : x
  2. Step 2: Convert to fraction form
    145,607.40/200,889.72 = 118,703.52/x
  3. Step 3: Cross multiply
    145,607.40x = 200,889.72 × 118,703.52
  4. Step 4: Simplify right side
    145,607.40x = 23,846,316,895.81
  5. Step 5: Solve for x
    x = 23,846,316,895.81/145,607.40
  6. Step 6: Final answer
    x = 163,771.33

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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.